| 1 | // License: GPL. For details, see LICENSE file.
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| 2 | package org.openstreetmap.josm.gui.dialogs.relation.actions;
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| 3 |
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| 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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| 6 | import java.awt.event.ActionEvent;
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| 7 |
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| 8 | import javax.swing.JOptionPane;
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| 9 | import javax.swing.RootPaneContainer;
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| 10 |
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| 11 | import org.openstreetmap.josm.data.osm.Relation;
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| 12 | import org.openstreetmap.josm.gui.HelpAwareOptionPane;
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| 13 | import org.openstreetmap.josm.gui.HelpAwareOptionPane.ButtonSpec;
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| 14 | import org.openstreetmap.josm.gui.MainApplication;
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| 15 | import org.openstreetmap.josm.spi.preferences.Config;
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| 16 | import org.openstreetmap.josm.tools.ImageProvider;
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| 17 | import org.openstreetmap.josm.tools.InputMapUtils;
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| 18 | import org.openstreetmap.josm.tools.Utils;
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| 19 |
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| 20 | /**
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| 21 | * Cancel the updates and close the dialog
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| 22 | * @since 9496
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| 23 | */
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| 24 | public class CancelAction extends SavingAction {
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| 25 | private static final long serialVersionUID = 1L;
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| 26 |
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| 27 | /**
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| 28 | * Constructs a new {@code CancelAction}.
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| 29 | * @param editorAccess An interface to access the relation editor contents.
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| 30 | */
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| 31 | public CancelAction(IRelationEditorActionAccess editorAccess) {
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| 32 | super(editorAccess);
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| 33 | putValue(SHORT_DESCRIPTION, tr("Cancel the updates and close the dialog"));
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| 34 | new ImageProvider("cancel").getResource().attachImageIcon(this);
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| 35 | putValue(NAME, tr("Cancel"));
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| 36 |
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| 37 | if (getEditor() instanceof RootPaneContainer) {
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| 38 | InputMapUtils.addEscapeAction(((RootPaneContainer) getEditor()).getRootPane(), this);
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| 39 | }
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| 40 | setEnabled(true);
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| 41 | }
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| 42 |
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| 43 | @Override
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| 44 | public void actionPerformed(ActionEvent e) {
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| 45 | getMemberTable().stopHighlighting();
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| 46 | Relation snapshot = getEditor().getRelationSnapshot();
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| 47 | if ((!getMemberTableModel().hasSameMembersAs(snapshot) || getTagModel().isDirty())
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| 48 | && !(snapshot == null && getTagModel().getTags().isEmpty())) {
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| 49 | //give the user a chance to save the changes
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| 50 | int ret = confirmClosingByCancel(this.editorAccess.wouldRelationBeUseful());
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| 51 | if (ret == 0) { //Yes, save the changes
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| 52 | //copied from OKAction.run()
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| 53 | Config.getPref().put("relation.editor.generic.lastrole", Utils.strip(tfRole.getText()));
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| 54 | if (!applyChanges())
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| 55 | return;
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| 56 | } else if (ret == 2 || ret == JOptionPane.CLOSED_OPTION) //Cancel, continue editing
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| 57 | return;
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| 58 | //in case of "No, discard", there is no extra action to be performed here.
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| 59 | }
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| 60 | hideEditor();
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| 61 | }
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| 62 |
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| 63 | protected int confirmClosingByCancel(boolean isUseful) {
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| 64 | ButtonSpec[] options = {
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| 65 | new ButtonSpec(
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| 66 | tr("Yes, save the changes and close"),
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| 67 | new ImageProvider("ok"),
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| 68 | tr("Click to save the changes and close this relation editor"),
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| 69 | null /* no specific help topic */
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| 70 | ),
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| 71 | new ButtonSpec(
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| 72 | tr("No, discard the changes and close"),
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| 73 | new ImageProvider("undo"),
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| 74 | tr("Click to discard the changes and close this relation editor"),
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| 75 | null /* no specific help topic */
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| 76 | ),
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| 77 | new ButtonSpec(
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| 78 | tr("Cancel, continue editing"),
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| 79 | new ImageProvider("cancel"),
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| 80 | tr("Click to return to the relation editor and to resume relation editing"),
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| 81 | null /* no specific help topic */
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| 82 | )
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| 83 | };
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| 84 |
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| 85 | // Keep users from saving invalid relations -- a relation MUST have at least a tag with the key "type"
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| 86 | // AND must contain at least one other OSM object.
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| 87 | options[0].setEnabled(isUseful);
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| 88 |
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| 89 | return HelpAwareOptionPane.showOptionDialog(
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| 90 | MainApplication.getMainFrame(),
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| 91 | tr("<html>The relation has been changed.<br><br>Do you want to save your changes?</html>"),
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| 92 | tr("Unsaved changes"),
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| 93 | JOptionPane.WARNING_MESSAGE,
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| 94 | null,
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| 95 | options,
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| 96 | options[0], // OK is default,
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| 97 | "/Dialog/RelationEditor#DiscardChanges"
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| 98 | );
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| 99 | }
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| 100 | }
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